problem with Open help.doc in forms

I put that problem In Application server too , cause that problem could be with application

But i don´t know if I have to open doc with another  code....

 Ok thats my problem  In forms application  I put a button  that call .doc document Like help for the application ...

If I run the form application All works good ... and when I click button it opens the document.... But the problem when I use the application  Using Apllication server.... when I click the button don´t open anything

that´s the code ....that I use for open .doc =

 

AppID := DDE.App_Begin('C:\Archivos de programa\Microsoft Office\OFFICE11\WINWORD.EXE '||dir ,DDE.APP_MODE_MAXIMIZED);